/usr/share/xul-ext/gdata-provider/js/calGoogleCalendar.js is in xul-ext-gdata-provider 1.3+build1-0ubuntu1.
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Google Calendar Provider code.
*
* The Initial Developer of the Original Code is
* Philipp Kewisch <mozilla@kewis.ch>
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Joey Minta <jminta@gmail.com>
* Daniel Boelzle <daniel.boelzle@sun.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
Components.utils.import("resource://calendar/modules/calProviderUtils.jsm");
Components.utils.import("resource://calendar/modules/calUtils.jsm");
const cICL = Components.interfaces.calIChangeLog;
/**
* calGoogleCalendar
* This Implements a calICalendar Object adapted to the Google Calendar
* Provider.
*
* @class
* @constructor
*/
function calGoogleCalendar() {
this.initProviderBase();
}
calGoogleCalendar.prototype = {
__proto__: cal.ProviderBase.prototype,
classDescription: "Google Calendar Provider",
contractID: "@mozilla.org/calendar/calendar;1?type=gdata",
classID: Components.ID("{d1a6e988-4b4d-45a5-ba46-43e501ea96e3}"),
getInterfaces: function cI_cGC_getInterfaces (count) {
var ifaces = [
Components.interfaces.nsISupports,
Components.interfaces.calICalendar,
Components.interfaces.calIGoogleCalendar,
Components.interfaces.calISchedulingSupport,
Components.interfaces.calIChangeLog,
Components.interfaces.nsIClassInfo
];
count.value = ifaces.length;
return ifaces;
},
getHelperForLanguage: function cI_cGC_getHelperForLanguage(aLanguage) {
return null;
},
implementationLanguage: Components.interfaces.nsIProgrammingLanguage.JAVASCRIPT,
flags: 0,
QueryInterface: function cGS_QueryInterface(aIID) {
return cal.doQueryInterface(this, calGoogleCalendar.prototype, aIID, null, this);
},
/* Member Variables */
mSession: null,
mFullUri: null,
mCalendarName: null,
/*
* Google Calendar Provider attributes
*/
/**
* readonly attribute googleCalendarName
* Google's Calendar name. This represents the <calendar name> in
* http[s]://www.google.com/calendar/feeds/<calendar name>/private/full
*/
get googleCalendarName() {
return this.mCalendarName;
},
get isDefaultCalendar() {
return !/@group\.calendar\.google\.com$/.test(this.mCalendarName);
},
/**
* attribute session
* An calGoogleSession Object that handles the session requests.
*/
get session() {
return this.mSession;
},
set session(v) {
return this.mSession = v;
},
get title() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set title(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
get access() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set access(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
get selected() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set selected(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
get hidden() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set hidden(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
get color() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set color(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
get timezone() {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
set timezone(v) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
},
/**
* findSession
* Populates the Session Object based on the preferences or the result of a
* login prompt.
*
* @param aIgnoreExistingSession If set, find the session regardless of
* whether the session has been previously set
* or not
*/
findSession: function cGC_findSession(aIgnoreExistingSession) {
if (this.mSession && !aIgnoreExistingSession) {
return true;
}
// We need to find out which Google account fits to this calendar.
var sessionMgr = getGoogleSessionManager();
var googleUser = getCalendarPref(this, "googleUser");
if (googleUser) {
this.mSession = sessionMgr.getSessionByUsername(googleUser, true);
} else {
// We have no user, therefore we need to ask the user. Show a
// user/password prompt and set the session based on those
// values.
var username = { value: null };
if (this.isDefaultCalendar) {
// Only pre-fill the username if this is the default calendar,
// otherwise users might think the cryptic hash is the username
// they have to use.
username.value = this.mCalendarName;
}
var password = { value: null };
var persist = { value: false };
if (getCalendarCredentials(this.mCalendarName,
username,
password,
persist)) {
this.mSession = sessionMgr.getSessionByUsername(username.value,
true);
this.mSession.password = password.value;
this.mSession.persist = persist.value;
setCalendarPref(this,
"googleUser",
"CHAR",
this.mSession.userName);
} else {
// The password dialog was canceled, disable the calendar.
this.setProperty("disabled", true);
return false;
}
}
return true;
},
/**
* ensureSession
* Make sure a session is available. If not, throw an exception
*/
ensureSession: function cGC_ensureSession() {
if (!this.mSession ||
!this.mSession.password ||
this.mSession.password == "") {
if (!this.findSession) {
throw new Components.Exception("Session was canceled",
Components.results.NS_ERROR_FAILURE);
}
}
},
/*
* implement calICalendar
*/
get type() {
return "gdata";
},
get providerID() {
return "{a62ef8ec-5fdc-40c2-873c-223b8a6925cc}";
},
get uri() {
return this.mUri;
},
get fullUri() {
return this.mFullUri;
},
set uri(aUri) {
// Parse google url, catch private cookies, public calendars,
// basic and full types, bogus ics file extensions, invalid hostnames
var re = new RegExp("/calendar/(feeds|ical)/" +
"([^/]+)/(public|private)-?([^/]+)?/" +
"(full|basic)(.ics)?$");
var matches = aUri.path.match(re);
if (!matches) {
throw new Components.Exception(aUri, Components.results.NS_ERROR_MALFORMED_URI);
}
// Set internal Calendar Name
this.mCalendarName = decodeURIComponent(matches[2]);
// Set normalized url. We need private visibility and full projection
this.mFullUri = aUri.clone();
this.mFullUri.path = "/calendar/feeds/" + matches[2] + "/private/full";
// Remember the uri as it was passed, in case the calendar manager
// relies on it.
this.mUri = aUri;
this.findSession(true);
return this.mUri;
},
getProperty: function cGC_getProperty(aName) {
switch (aName) {
// Capabilities
case "capabilities.timezones.floating.supported":
case "capabilities.attachments.supported":
case "capabilities.priority.supported":
case "capabilities.tasks.supported":
case "capabilities.alarms.oninvitations.supported":
return false;
case "capabilities.privacy.values":
return ["DEFAULT", "PUBLIC", "PRIVATE"];
case "capabilities.alarms.maxCount":
return 5;
case "capabilities.alarms.actionValues":
return ["DISPLAY", "EMAIL", "SMS"];
case "organizerId":
if (this.mSession) {
return "mailto:" + this.session.userName;
}
break;
case "organizerCN":
if (this.mSession) {
return this.session.fullName;
}
break;
case "itip.transport":
if (!this.isDefaultCalendar ||
!getPrefSafe("calendar.google.enableEmailInvitations", false)) {
// If we explicitly return null here, then these calendars
// will not be included in the list of calendars to accept
// invitations to and imip will effectively be disabled.
return null;
}
break;
case "imip.identity.disabled":
// Disabling this hides the picker for identities in the new
// calendar wizard and calendar properties dialog. This should
// be done for all secondary calendars as they cannot accept
// invitations and if email invitations are generally disabled.
if (!this.isDefaultCalendar ||
!getPrefSafe("calendar.google.enableEmailInvitations", false)) {
return true;
}
break;
}
return this.__proto__.__proto__.getProperty.apply(this, arguments);
},
get canRefresh() {
return true;
},
adoptItem: function cGC_adoptItem(aItem, aListener) {
return this.adoptItemOrUseCache(aItem, !!this.mOfflineStorage, aListener);
},
adoptItemOrUseCache: function adoptItemOrUseCache(aItem, useCache, aListener) {
cal.LOG("[calGoogleCalendar] Adding item " + aItem.title);
try {
// Check if calendar is readonly
if (this.readOnly) {
throw new Components.Exception("",
Components.interfaces.calIErrors.CAL_IS_READONLY);
}
// Make sure the item is an event
aItem = aItem.QueryInterface(Components.interfaces.calIEvent);
// Check if we have a session. If not, then the user has canceled
// the login prompt.
this.ensureSession();
// Add the calendar to the item, for later use.
aItem.calendar = this.superCalendar;
var request = new calGoogleRequest(this);
var xmlEntry = ItemToXMLEntry(aItem, this,
this.session.userName,
this.session.fullName);
request.type = request.ADD;
request.uri = this.fullUri.spec;
request.setUploadData("application/atom+xml; charset=UTF-8", xmlEntry);
request.operationListener = aListener;
request.calendar = this;
request.newItem = aItem;
request.useCache = useCache;
request.responseListener = { onResult: this.addItem_response.bind(this) };
request.addQueryParameter("ctz", calendarDefaultTimezone().tzid);
this.session.asyncItemRequest(request);
return request;
} catch (e) {
cal.LOG("[calGoogleCalendar] adoptItem failed before request " + aItem.title + "\n:" + e);
if (e.result == Components.interfaces.calIErrors.CAL_IS_READONLY) {
// The calendar is readonly, make sure this is set and
// notify the user. This can come from above or from
// mSession.addItem which checks for the editURI
this.readOnly = true;
}
this.notifyOperationComplete(aListener,
e.result,
Components.interfaces.calIOperationListener.ADD,
null,
e.message);
}
return null;
},
addItem: function cGC_addItem(aItem, aListener) {
// Google assigns an ID to every event added. Any id set here or in
// adoptItem will be overridden.
return this.addItemOrUseCache(aItem, !!this.mOfflineStorage, aListener);
},
addItemOrUseCache: function addItemOrUseCache(aItem, useCache, aListener) {
return this.adoptItemOrUseCache(aItem.clone(), useCache, aListener);
},
modifyItem: function cGC_modifyItem(aNewItem, aOldItem, aListener) {
if (this.mOfflineStorage) {
return this.modifyItemOrUseCache(aNewItem, aOldItem, true, aListener);
} else {
return this.doModifyItem(aNewItem, aOldItem, false, aListener);
}
},
modifyItemOrUseCache: function modifyItemOrUseCache(aNewItem, aOldItem, useCache, aListener) {
let thisCalendar = this;
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
let modifyOfflineListener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
storage.modifyOfflineItem(detail, aListener);
}
};
let offlineFlagListener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
let offline_flag = detail;
if ((offline_flag == cICL.OFFLINE_FLAG_CREATED_RECORD ||
offline_flag == cICL.OFFLINE_FLAG_MODIFIED_RECORD) && useCache) {
storage.modifyItem(aNewItem, aOldItem, modifyOfflineListener);
} else {
thisCalendar.doModifyItem(aNewItem, aOldItem, useCache, aListener, false);
}
}
};
storage.getItemOfflineFlag(aOldItem, offlineFlagListener);
},
doModifyItem: function doModifyItem(aNewItem, aOldItem, useCache, aListener) {
cal.LOG("[calGoogleCalendar] Modifying item " + aOldItem.title);
try {
if (this.readOnly) {
throw new Components.Exception("",
Components.interfaces.calIErrors.CAL_IS_READONLY);
}
// Check if we have a session. If not, then the user has canceled
// the login prompt.
this.ensureSession();
// Check if enough fields have changed to warrant sending the event
// to google. This saves network traffic. Also check if the item isn't
// the same to work around a bug in the cache layer.
if (aOldItem != aNewItem && relevantFieldsMatch(aOldItem, aNewItem)) {
cal.LOG("[calGoogleCalendar] Not requesting item modification for " + aOldItem.id +
"(" + aOldItem.title + "), relevant fields match");
this.notifyOperationComplete(aListener,
Components.results.NS_OK,
Components.interfaces.calIOperationListener.MODIFY,
aNewItem.id,
aNewItem);
this.mObservers.notify("onModifyItem", [aNewItem, aOldItem]);
return null;
}
// Set up the request
var request = new calGoogleRequest(this.session);
// We need to clone the new item, its possible that ItemToXMLEntry
// will modify the item. For example, if the item is organized by
// someone else, we cannot save alarms on it and they should
// therefore not be added in the returned item.
var newItem = aNewItem.clone();
var xmlEntry = ItemToXMLEntry(newItem, this,
this.session.userName,
this.session.fullName);
if (aOldItem.parentItem != aOldItem &&
!aOldItem.parentItem.recurrenceInfo.getExceptionFor(aOldItem.startDate)) {
// In this case we are modifying an occurence, not deleting it
request.type = request.ADD;
request.uri = this.fullUri.spec;
} else {
// We are making a negative exception or modifying a parent item
request.type = request.MODIFY;
request.uri = getItemEditURI(aOldItem);
}
request.setUploadData("application/atom+xml; charset=UTF-8", xmlEntry);
request.responseListener = { onResult: this.modifyItem_response.bind(this) };
request.operationListener = aListener;
request.newItem = newItem;
request.oldItem = aOldItem;
request.calendar = this;
request.useCache = useCache;
request.addQueryParameter("ctz", calendarDefaultTimezone().tzid);
this.session.asyncItemRequest(request);
return request;
} catch (e) {
cal.LOG("[calGoogleCalendar] modifyItem failed before request " +
aNewItem.title + "(" + aNewItem.id + "):\n" + e);
if (e.result == Components.interfaces.calIErrors.CAL_IS_READONLY) {
// The calendar is readonly, make sure this is set and
// notify the user. This can come from above or from
// mSession.modifyItem which checks for the editURI
this.readOnly = true;
}
this.notifyOperationComplete(aListener,
e.result,
Components.interfaces.calIOperationListener.MODIFY,
null,
e.message);
}
return null;
},
deleteItem: function cGC_deleteItem(aItem, aListener) {
if (this.mOfflineStorage) {
return this.deleteItemOrUseCache(aItem, true, aListener);
} else {
return this.doDeleteItem(aItem, false, aListener);
}
},
deleteItemOrUseCache: function deleteItemOrUseCache(aItem, useCache, aListener) {
let thisCalendar = this;
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
let deleteOfflineListener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
if (aListener) {
aListener.onOperationComplete(calendar, status, opType, aItem.id, aItem);
}
}
};
let offlineFlagListener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
let offline_flag = detail;
if ((offline_flag == cICL.OFFLINE_FLAG_CREATED_RECORD ||
offline_flag == cICL.OFFLINE_FLAG_MODIFIED_RECORD) && useCache) {
/* We do not delete the item from the cache, but mark it deleted */
storage.deleteOfflineItem(aItem, aListener);
} else {
thisCalendar.doDeleteItem(aItem, useCache, aListener);
}
}
};
storage.getItemOfflineFlag(aItem, offlineFlagListener);
},
doDeleteItem: function doDeleteItem(aItem, useCache, aListener) {
cal.LOG("[calGoogleCalendar] Deleting item " + aItem.title + "(" + aItem.id + ")");
try {
if (this.readOnly) {
throw new Components.Exception("",
Components.interfaces.calIErrors.CAL_IS_READONLY);
}
// Check if we have a session. If not, then the user has canceled
// the login prompt.
this.ensureSession();
// We need the item in the response, since google dosen't return any
// item XML data on delete, and we need to call the observers.
var request = new calGoogleRequest(this);
request.type = request.DELETE;
request.uri = getItemEditURI(aItem);
request.operationListener = aListener;
request.oldItem = aItem;
request.calendar = this;
request.useCache = useCache;
request.responseListener = { onResult: this.deleteItem_response.bind(this) };
this.session.asyncItemRequest(request);
return request;
} catch (e) {
cal.LOG("[calGoogleCalendar] deleteItem failed before request for " +
aItem.title + "(" + aItem.id + "):\n" + e);
if (e.result == Components.interfaces.calIErrors.CAL_IS_READONLY) {
// The calendar is readonly, make sure this is set and
// notify the user. This can come from above or from
// mSession.deleteItem which checks for the editURI
this.readOnly = true;
}
this.notifyOperationComplete(aListener,
e.result,
Components.interfaces.calIOperationListener.DELETE,
null,
e.message);
}
return null;
},
getItem: function cGC_getItem(aId, aListener) {
// This function needs a test case using mechanisms in bug 365212
cal.LOG("[calGoogleCalendar] Getting item with id " + aId);
try {
// Check if we have a session. If not, then the user has canceled
// the login prompt.
this.ensureSession();
// Set up the request
var request = new calGoogleRequest(this);
request.itemId = aId;
request.type = request.GET;
request.uri = this.fullUri.spec;
request.operationListener = aListener;
request.responseListener = { onResult: this.getItem_response.bind(this) };
request.calendar = this;
// Request Parameters
request.addQueryParameter("ctz", calendarDefaultTimezone().tzid);
request.addQueryParameter("max-results", kMANY_EVENTS);
request.addQueryParameter("singleevents", "false");
this.session.asyncItemRequest(request);
return request;
} catch (e) {
cal.LOG("[calGoogleCalendar] getItem failed before request " + aId + "):\n" + e);
this.notifyOperationComplete(aListener,
e.result,
Components.interfaces.calIOperationListener.GET,
null,
e.message);
}
return null;
},
getItems: function cGC_getItems(aItemFilter,
aCount,
aRangeStart,
aRangeEnd,
aListener) {
try {
// Check if we have a session. If not, then the user has canceled
// the login prompt.
this.ensureSession();
// item base type
var wantEvents = ((aItemFilter &
Components.interfaces.calICalendar.ITEM_FILTER_TYPE_EVENT) != 0);
var wantInvitations = ((aItemFilter &
Components.interfaces.calICalendar.ITEM_FILTER_REQUEST_NEEDS_ACTION) != 0);
if (!wantEvents) {
// Events are not wanted, nothing to do. The
// notifyOperationComplete in the catch block below will catch
// this.
throw new Components.Exception("", Components.results.NS_OK);
}
// Requesting only a DATE returns items based on UTC. Therefore, we make
// sure both start and end dates include a time and timezone. This may
// not quite be what was requested, but I'd say its a shortcoming of
// rfc3339.
if (aRangeStart) {
aRangeStart = aRangeStart.clone();
aRangeStart.isDate = false;
}
if (aRangeEnd) {
aRangeEnd = aRangeEnd.clone();
aRangeEnd.isDate = false;
}
var rfcRangeStart = cal.toRFC3339(aRangeStart);
var rfcRangeEnd = cal.toRFC3339(aRangeEnd);
var request = new calGoogleRequest(this);
request.type = request.GET;
request.uri = this.fullUri.spec;
request.operationListener = aListener;
request.calendar = this;
request.itemRangeStart = aRangeStart;
request.itemRangeEnd = aRangeEnd;
request.itemFilter = aItemFilter;
// Request Parameters
request.addQueryParameter("ctz", calendarDefaultTimezone().tzid);
request.addQueryParameter("max-results",
aCount ? aCount : kMANY_EVENTS);
request.addQueryParameter("singleevents", "false");
request.addQueryParameter("start-min", rfcRangeStart);
request.addQueryParameter("start-max", rfcRangeEnd);
request.responseListener = { onResult: this.getItems_response.bind(this) };
this.session.asyncItemRequest(request);
return request;
} catch (e) {
this.notifyOperationComplete(aListener,
e.result,
Components.interfaces.calIOperationListener.GET,
null,
e.message);
}
return null;
},
refresh: function cGC_refresh() {
this.mObservers.notify("onLoad", [this]);
},
/*
* Google Calendar Provider Response Listener functions
*/
/**
* addItem_response
* Response function, called by the session object when an item was added
*
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
addItem_response: function cGC_addItem_response(aOperation, aData) {
// First, have the general response retrieve the item
let item, e;
try {
item = DataToItem(aOperation, aData, this, null);
if (!resolveConflicts(aOperation, item)) {
// If a conflict occurred and the user wants to overwrite, a new
// request will be sent. bail out here, this method will be
// called again
return;
}
} catch (exp) {
item = null;
e = exp;
}
// Now we can do some processing on it. If the cache is used, then we
// ultimately need to add the item to the cache, either as offline item
// or normal item. We will also have to notify the listener and the
// observers sooner or later.
if (aOperation.useCache && this.mOfflineStorage && (!e || isCacheException(e))) {
let listener;
if (item) {
// If we have an item, then we can directly notify the target
// listener
listener = aOperation.operationListener;
cal.LOG("[calGoogleCalendar] Adding item " + aOperation.newItem.title + " successful");
} else {
// Otherwise we create an intermediate listener that also sets
// the offline flag
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
let self = this;
item = aOperation.newItem;
listener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
if (Components.isSuccessCode(status)) {
// On success, the addOfflineItem call will notify the listener
cal.LOG("[calGoogleCalendar] Adding item " + aOperation.newItem.title + " failed, but the operation will be retried (status: " + status + ", exception: " + e + ")");
storage.addOfflineItem(detail, aOperation.operationListener);
self.mObservers.notify("onAddItem", [aOperation.newItem]);
} else if (aOperation.operationListener) {
cal.ERROR("[calGoogleCalendar] Could not add item " + aOperation.newItem.title + " to the offline cache:" +
new Components.Exception(detail, status));
// Otherwise we have to do it ourselves.
self.notifyOperationComplete(aOperation.operationListener,
status,
Components.interfaces.calIOperationListener.ADD,
null,
null);
}
}
};
}
// Now send the item to the offline storage
this.mOfflineStorage.adoptItem(item, listener);
} else {
// When not using the cache, we merely have to notify onAddItem and
// tell the operation listener we are done (error or not)
if (item) {
cal.LOG("[calGoogleCalendar] Adding item " + item.title + " successful");
this.mObservers.notify("onAddItem", [item]);
} else {
cal.LOG("[calGoogleCalendar] Adding item " + aOperation.newItem.id + " failed, status " + aOperation.status + ", Exception: " + e);
}
this.notifyOperationComplete(aOperation.operationListener,
(item ? Components.results.NS_OK : e.result),
Components.interfaces.calIOperationListener.ADD,
(item ? item.id : null),
(item ? item : e.message));
}
},
/**
* modifyItem_response
* Response function, called by the session object when an item was modified
*
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
modifyItem_response: function cGC_modifyItem_response_onResult(aOperation,
aData) {
let self = this;
function notifyObserver(item, oldItem) {
if (item && item.parentItem != item) {
item.parentItem.recurrenceInfo.modifyException(item, false);
item = item.parentItem;
oldItem = oldItem.parentItem;
}
// Notify Observers
if (item) {
self.mObservers.notify("onModifyItem", [item, oldItem]);
}
}
// First, convert the data to an item and make sure no conflicts occurred.
let newItem, e;
try {
newItem = DataToItem(aOperation, aData, this, aOperation.newItem);
if (!resolveConflicts(aOperation, newItem)) {
// If a conflict occurred and the user wants to overwrite, a new
// request will be sent. bail out here, this method will be
// called again
return;
}
} catch (exp) {
newItem = null;
e = exp;
}
// Now we can do some processing on it. If the cache is used, then we
// ultimately need to modify the item in the cache, either as offline item
// or normal item. We will also have to notify the listener and the
// observers sooner or later.
if (aOperation.useCache && this.mOfflineStorage && (!e || isCacheException(e))) {
let listener;
if (newItem) {
// If we have an item, then we can directly notify the target
// listener
listener = aOperation.operationListener;
cal.LOG("[calGoogleCalendar] Modifying item " + aOperation.oldItem.id + " successful");
} else {
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
newItem = aOperation.newItem;
listener = {
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
if (Components.isSuccessCode(status)) {
cal.LOG("[calGoogleCalendar] Modifying item " + aOperation.oldItem.id + " failed, but the operation will be retried (status: " + status + ", exception: " + e + ")");
// On success, the modifyOfflineItem call will notify the listener
storage.modifyOfflineItem(detail, aOperation.operationListener);
notifyObserver(newItem, aOperation.oldItem);
} else if (aOperation.operationListener) {
cal.ERROR("[calGoogleCalendar] Could not modify item " + aOperation.newItem.id + " in the offline cache:" +
new Components.Exception(detail, status));
// Otherwise we have to do it ourselves.
self.notifyOperationComplete(aOperation.operationListener,
status,
Components.interfaces.calIOperationListener.MODIFY,
null,
null);
}
}
};
}
// Now send the item to the offline storage
this.mOfflineStorage.modifyItem(newItem, aOperation.oldItem, listener);
} else {
// When not using the cache, we merely have to notify onModifyItem and
// tell the operation listener we are done (error or not)
notifyObserver(newItem, aOperation.oldItem);
if (newItem) {
cal.LOG("[calGoogleCalendar] Modifying item " + newItem.id + " successful");
} else {
cal.LOG("[calGoogleCalendar] Modifying item " + aOperation.oldItem.id + " failed, status " + aOperation.status + ", Exception: " + e);
}
this.notifyOperationComplete(aOperation.operationListener,
(newItem ? Components.results.NS_OK : e.result || Components.results.NS_ERROR_FAILURE),
Components.interfaces.calIOperationListener.MODIFY,
(newItem ? newItem.id : null),
(newItem ? newItem : e.message));
}
},
/**
* deleteItem_response
* Response function, called by the session object when an Item was deleted
*
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
deleteItem_response: function cGC_deleteItem_response_onResult(aOperation,
aData) {
let item, e;
try {
item = DataToItem(aOperation, aData, this, aOperation.oldItem);
if (!resolveConflicts(aOperation, item)) {
// If a conflict occurred and the user wants to overwrite, a new
// request will be sent. bail out here, this method will be
// called again
return;
}
} catch (exp) {
item = null;
e = exp;
}
if (aOperation.useCache && this.mOfflineStorage && (!e || isCacheException(e))) {
if (item) {
// If we have an item, then we can directly notify the target
// listener using the offline storage
cal.LOG("[calGoogleCalendar] Deleting item " + aOperation.oldItem.id + " successful");
this.mOfflineStorage.deleteItem(item, aOperation.operationListener);
} else {
// Otherwise we shouldn't remove it from the cache, but set the
// offline flag to mark it deleted
let self = this;
let offlineListener = {
// We should not return a success code since the listeners can delete the physical item in case of success
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
self.mObservers.notify("onDeleteItem", [aOperation.oldItem]);
cal.LOG("[calGoogleCalendar] Deleting item " + aOperation.oldItem.id + " failed, but the operation will be retried");
self.notifyOperationComplete(aOperation.operationListener,
Components.results.NS_ERROR_NOT_AVAILABLE,
Components.interfaces.calIOperationListener.GET,
aOperation.oldItem.id,
aOperation.oldItem);
}
};
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
storage.deleteOfflineItem(aOperation.oldItem, offlineListener);
}
} else {
// When not using the cache, we merely have to notify onDeleteItem and
// tell the operation listener we are done (error or not)
if (item) {
cal.LOG("[calGoogleCalendar] Deleting item " + aOperation.oldItem.id + " successful");
this.mObservers.notify("onDeleteItem", [item]);
} else {
cal.LOG("[calGoogleCalendar] Deleting item " + aOperation.oldItem.id + " failed, status " + aOperation.status + ", Exception: " + e);
}
this.notifyOperationComplete(aOperation.operationListener,
(item ? Components.results.NS_OK : e.result || Components.results.NS_ERROR_FAILURE),
Components.interfaces.calIOperationListener.ADD,
(item ? item.id : null),
(item ? item : e.message));
}
},
/**
* getItem_response
* Response function, called by the session object when a single Item was
* downloaded.
*
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
getItem_response: function cGC_getItem_response_onResult(aOperation,
aData) {
// XXX Due to google issue 399, we need to parse a full feed here.
try {
if (!Components.isSuccessCode(aOperation.status)) {
throw new Components.Exception(aData, aOperation.status);
}
// Prepare Namespaces
var gCal = new Namespace("gCal",
"http://schemas.google.com/gCal/2005");
var gd = new Namespace("gd", "http://schemas.google.com/g/2005");
var atom = new Namespace("", "http://www.w3.org/2005/Atom");
default xml namespace = atom;
// A feed was passed back, parse it.
var xml = cal.safeNewXML(aData);
var timezoneString = xml.gCal::timezone.@value.toString() || "UTC";
var timezone = gdataTimezoneService.getTimezone(timezoneString);
// This line is needed, otherwise the for each () block will never
// be entered. It may seem strange, but if you don't believe me, try
// it!
xml.link.(@rel);
// We might be able to get the full name through this feed's author
// tags. We need to make sure we have a session for that.
this.ensureSession();
// Get the item entry by id.
var itemEntry = xml.entry.(id.substring(id.lastIndexOf('/') + 1) == aOperation.itemId ||
gCal::uid.@value == aOperation.itemId);
if (!itemEntry || !itemEntry.length()) {
// Item wasn't found. Skip onGetResult and just complete. Not
// finding an item isn't a user-important error, it may be a
// wanted case. (i.e itip)
cal.LOG("[calGoogleCalendar] Item " + aOperation.itemId + " not found in calendar " + this.name);
throw new Components.Exception("Item not found", Components.results.NS_OK);
}
var item = XMLEntryToItem(itemEntry, timezone, this);
item.calendar = this.superCalendar;
if (item.recurrenceInfo) {
// If this item is recurring, get all exceptions for this item.
for each (var entry in xml.entry.gd::originalEvent.(@id == aOperation.itemId)) {
var excItem = XMLEntryToItem(entry.parent(), timezone, this);
// Google uses the status field to reflect negative
// exceptions.
if (excItem.status == "CANCELED") {
item.recurrenceInfo.removeOccurrenceAt(excItem.recurrenceId);
} else {
excItem.calendar = this;
item.recurrenceInfo.modifyException(excItem, true);
}
}
}
// We are done, notify the listener of our result and that we are
// done.
cal.LOG("[calGoogleCalendar] Item " + aOperation.itemId + " was found in calendar " + this.name);
aOperation.operationListener.onGetResult(this.superCalendar,
Components.results.NS_OK,
Components.interfaces.calIEvent,
null,
1,
[item]);
this.notifyOperationComplete(aOperation.operationListener,
Components.results.NS_OK,
Components.interfaces.calIOperationListener.GET,
item.id,
null);
} catch (e) {
if (!Components.isSuccessCode(e.result)) {
cal.LOG("[calGoogleCalendar] Error getting item " + aOperation.itemId + ":\n" + e);
Components.utils.reportError(e);
}
this.notifyOperationComplete(aOperation.operationListener,
e.result,
Components.interfaces.calIOperationListener.GET,
null,
e.message);
}
},
/**
* getItems_response
* Response function, called by the session object when an Item feed was
* downloaded.
*
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
getItems_response: function cGC_getItems_response(aOperation, aData) {
// To simplify code, provide a one-stop function to call, independant of
// if and what type of listener was passed.
var listener = aOperation.operationListener ||
{ onGetResult: function() {}, onOperationComplete: function() {} };
cal.LOG("[calGoogleCalendar] Recieved response for " + aOperation.uri);
try {
// Check if the call succeeded
if (!Components.isSuccessCode(aOperation.status)) {
throw new Components.Exception(aData, aOperation.status);
}
// Prepare Namespaces
var gCal = new Namespace("gCal",
"http://schemas.google.com/gCal/2005");
var gd = new Namespace("gd", "http://schemas.google.com/g/2005");
var atom = new Namespace("", "http://www.w3.org/2005/Atom");
default xml namespace = atom;
// A feed was passed back, parse it.
var xml = cal.safeNewXML(aData);
var timezoneString = xml.gCal::timezone.@value.toString() || "UTC";
var timezone = gdataTimezoneService.getTimezone(timezoneString);
// This line is needed, otherwise the for each () block will never
// be entered. It may seem strange, but if you don't believe me, try
// it!
xml.link.(@rel);
// We might be able to get the full name through this feed's author
// tags. We need to make sure we have a session for that.
this.ensureSession();
if (xml.author.email == this.mSession.userName) {
// If the current entry contains the user's email, then we can
// extract the user's full name also.
this.mSession.fullName = xml.author.name.toString();
}
var wantInvitations = ((aOperation.itemFilter &
Components.interfaces.calICalendar.ITEM_FILTER_REQUEST_NEEDS_ACTION) != 0);
// Parse all <entry> tags
for each (var entry in xml.entry) {
if (entry.gd::originalEvent.toString().length) {
// This is an exception. If we are doing an uncached
// operation, then skip it for now since it will be parsed
// later.
continue;
}
var item = XMLEntryToItem(entry, timezone, this);
item.calendar = this.superCalendar;
if (wantInvitations) {
// If invitations are wanted and this is not an invitation,
// or if the user is not an attendee, or has already accepted
// then this is not an invitation.
var att = item.getAttendeeById("mailto:" + this.session.userName);
if (!this.isInvitation(item) ||
!att ||
att.participationStatus != "NEEDS-ACTION") {
continue;
}
}
cal.LOG("[calGoogleCalendar] Parsing entry:\n" + entry + "\n");
if (item.recurrenceInfo) {
// If we are doing an uncached operation, then we need to
// gather all exceptions and put them into the item.
// Otherwise, our listener will take care of mapping the
// exception to the base item.
for each (var oid in xml.entry.gd::originalEvent.(@id == item.id)) {
// Get specific fields so we can speed up the parsing process
var status = oid.parent().gd::eventStatus.@value.toString().substring(39);
if (status == "canceled") {
let rId = oid.gd::when.@startTime.toString();
let rDate = cal.fromRFC3339(rId, timezone);
cal.LOG("[calGoogleCalendar] Negative exception " + rId + "/" + rDate);
item.recurrenceInfo.removeOccurrenceAt(rDate);
} else {
// Parse the exception and modify the current item
var excItem = XMLEntryToItem(oid.parent(),
timezone,
this);
if (excItem) {
// Google uses the status field to reflect negative
// exceptions.
excItem.calendar = this;
item.recurrenceInfo.modifyException(excItem, true);
}
}
}
}
item.makeImmutable();
LOGitem(item);
// This is an uncached call, expand the item and tell our
// get listener about the item.
var expandedItems = expandItems(item, aOperation);
listener.onGetResult(this.superCalendar,
Components.results.NS_OK,
Components.interfaces.calIEvent,
null,
expandedItems.length,
expandedItems);
}
// Operation Completed successfully.
this.notifyOperationComplete(listener,
Components.results.NS_OK,
Components.interfaces.calIOperationListener.GET,
null,
null);
} catch (e) {
cal.LOG("[calGoogleCalendar] Error getting items:\n" + e);
this.notifyOperationComplete(listener,
e.result,
Components.interfaces.calIOperationListener.GET,
null,
e.message);
}
},
/**
* Implement calIChangeLog
*/
get offlineStorage() {
return this.mOfflineStorage;
},
set offlineStorage(val) {
return (this.mOfflineStorage = val);
},
resetLog: function cGC_resetLog() {
cal.LOG("[calGoogleCalendar] Resetting last updated counter for " + this.name);
this.deleteProperty("google.lastUpdated");
},
replayChangesOn: function cGC_replayChangesOn(aListener) {
var lastUpdate = this.getProperty("google.lastUpdated");
var lastUpdateDateTime;
if (lastUpdate) {
// Set up the last sync stamp
lastUpdateDateTime = createDateTime();
lastUpdateDateTime.icalString = lastUpdate;
// Set up last week
var lastWeek = getCorrectedDate(now().getInTimezone(UTC()));
lastWeek.day -= 7;
if (lastWeek.compare(lastUpdateDateTime) >= 0) {
// The last sync was longer than a week ago. Google requires a full
// sync in that case. This call also takes care of calling
// resetLog().
this.superCalendar.wrappedJSObject.setupCachedCalendar();
lastUpdateDateTime = null;
}
cal.LOG("[calGoogleCalendar] The calendar " + this.name + " was last modified: " + lastUpdateDateTime);
}
var request = new calGoogleRequest(this.mSession);
request.type = request.GET;
request.uri = this.fullUri.spec
request.destinationCal = this.mOfflineStorage;
var calendar = this;
request.responseListener = { onResult: this.syncItems_response.bind(this, (lastUpdateDateTime == null)) }
request.operationListener = aListener;
request.calendar = this;
// Request Parameters
request.addQueryParameter("ctz", calendarDefaultTimezone().tzid);
request.addQueryParameter("max-results", kMANY_EVENTS);
request.addQueryParameter("singleevents", "false");
if (lastUpdateDateTime) {
// Partial sync requires sending updated-min
request.addQueryParameter("updated-min", cal.toRFC3339(lastUpdateDateTime));
}
// Request the item. The response function is ready to take care of both
// uncached getItem requests and this type of synchronization request.
this.mSession.asyncItemRequest(request);
},
/**
* syncItems_response
* Response function, called by the session object when an Item feed was
* downloaded.
*
* @param aIsFullSync If set, this is a full sync rather than an update.
* @param aOperation The calIGoogleRequest processing the request
* @param aData In case of an error, this is the error string, otherwise
* an XML representation of the added item.
*/
syncItems_response: function cGC_syncItems_response(aIsFullSync, aOperation, aData) {
cal.LOG("[calGoogleCalendar] Recieved response for " + aOperation.uri + (aIsFullSync ? " (full sync)" : ""));
try {
// Check if the call succeeded
if (!Components.isSuccessCode(aOperation.status)) {
throw new Components.Exception(aData, aOperation.status);
}
// Prepare Namespaces
var gCal = new Namespace("gCal",
"http://schemas.google.com/gCal/2005");
var gd = new Namespace("gd", "http://schemas.google.com/g/2005");
var atom = new Namespace("", "http://www.w3.org/2005/Atom");
default xml namespace = atom;
// A feed was passed back, parse it.
var xml = cal.safeNewXML(aData);
var timezoneString = xml.gCal::timezone.@value.toString() || "UTC";
var timezone = gdataTimezoneService.getTimezone(timezoneString);
// This line is needed, otherwise the for each () block will never
// be entered. It may seem strange, but if you don't believe me, try
// it!
xml.link.(@rel);
// We might be able to get the full name through this feed's author
// tags. We need to make sure we have a session for that.
this.ensureSession();
if (xml.author.email == this.mSession.userName) {
// If the current entry contains the user's email, then we can
// extract the user's full name also.
this.mSession.fullName = xml.author.name.toString();
}
// This is the calendar we should sync changes into.
var destinationCal = aOperation.destinationCal;
for each (var entry in xml.entry) {
var recurrenceId = getRecurrenceIdFromEntry(entry, timezone);
if (aIsFullSync && recurrenceId) {
// On a full sync, we parse exceptions different.
continue;
}
cal.LOG("[calGoogleCalendar] Parsing entry:\n" + entry + "\n");
var referenceItemObj = {}
destinationCal.getItem(getIdFromEntry(entry),
new syncSetter(referenceItemObj));
var referenceItem = referenceItemObj.value &&
referenceItemObj.value.clone();
// Parse the item. If we got a reference item from the storage
// calendar, put that in to make sure we get all exceptions and
// such.
var item = XMLEntryToItem(entry,
timezone,
this,
(recurrenceId && referenceItem ? null : referenceItem));
item.calendar = this.superCalendar;
if (aIsFullSync && item.recurrenceInfo) {
// On a full synchronization, we can go ahead and pre-parse
// all exceptions and then add the item at once. This way we
// make sure
for each (var oid in xml.entry.gd::originalEvent.(@id == item.id)) {
// Get specific fields so we can speed up the parsing process
var status = oid.parent().gd::eventStatus.@value.toString().substring(39);
if (status == "canceled") {
let rId = oid.gd::when.@startTime.toString();
let rDate = cal.fromRFC3339(rId, timezone);
item.recurrenceInfo.removeOccurrenceAt(rDate);
cal.LOG("[calGoogleCalendar] Negative exception " + rId + "/" + rDate);
} else {
// Parse the exception and modify the current item
var excItem = XMLEntryToItem(oid.parent(),
timezone,
this);
if (excItem) {
// Google uses the status field to reflect negative
// exceptions.
excItem.calendar = this;
item.recurrenceInfo.modifyException(excItem, true);
}
}
}
}
LOGitem(item);
if (!aIsFullSync && item.recurrenceId && referenceItem) {
// This is a single occurrence that has been updated.
if (item.status == "CANCELED") {
// Canceled means the occurrence is an EXDATE.
referenceItem.recurrenceInfo.removeOccurrenceAt(item.recurrenceId);
} else {
// Not canceled means the occurrence was modified.
item.parentItem = referenceItem;
referenceItem.recurrenceInfo.modifyException(item, true);
}
destinationCal.modifyItem(referenceItem, null, null);
} else if (!item.recurrenceId) {
// This is a normal item. If it was canceled, then it should
// be deleted, otherwise it should be either added or
// modified. The relaxed mode of the destination calendar
// takes care of the latter two cases.
if (item.status == "CANCELED") {
destinationCal.deleteItem(item, null);
} else {
destinationCal.modifyItem(item, null, null);
}
} else {
// We could not find the parent item for the occurrence in
// the feed.
WARN("occurrence without parent for item " + item.id);
}
}
// Set the last updated timestamp to now.
cal.LOG("[calGoogleCalendar] Last sync date for " + this.name + " is now: " +
aOperation.requestDate.toString());
this.setProperty("google.lastUpdated",
aOperation.requestDate.icalString);
// Tell our listener we are done.
aOperation.operationListener.onResult(aOperation, null);
} catch (e) {
cal.LOG("[calGoogleCalendar] Error syncing items:\n" + e);
aOperation.operationListener.onResult({ status: e.result }, e.message);
}
},
/**
* Implement calISchedulingSupport. Most is taken care of by the base
* provider, but we want to advertise that we will always take care of
* notifications.
*/
canNotify: function cGC_canNotify(aMethod, aItem) {
return true;
}
};
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